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Serum osteocalcin levels do not change during rapidly induced hypercalcemia in healthy subjects

Bergenfelz, A LU and Ahrén, B LU (1992) In Hormone Research 37(1-2). p.29-32
Abstract

Since osteocalcin has been suggested to play a role in calcium homeostasis, we investigated its serum levels in 6 healthy subjects during a rapid calcium infusion. Serum levels of intact parathyroid hormone (PTH), 25-hydroxyvitamin D [25-(OH) D3] and 1,25-dihydroxyvitamin D [1,25-(OH)2 D3] were also determined. The calcium infusion increased plasma-ionized calcium levels from 1.25 +/- 0.04 to 1.54 +/- 0.07 mmol/l at 30 min (p less than 0.05). Concomitantly, serum levels of intact PTH declined from 2.1 +/- 0.9 to 0.2 +/- 0.3 mmol/l (p less than 0.05). In contrast, serum osteocalcin levels did not change. Further, during calcium infusion, serum levels of 1,25-(OH)2 D3 decreased from 81 +/- 17 to 75 +/- 15 pmol/l (p less than 0.05) whereas... (More)

Since osteocalcin has been suggested to play a role in calcium homeostasis, we investigated its serum levels in 6 healthy subjects during a rapid calcium infusion. Serum levels of intact parathyroid hormone (PTH), 25-hydroxyvitamin D [25-(OH) D3] and 1,25-dihydroxyvitamin D [1,25-(OH)2 D3] were also determined. The calcium infusion increased plasma-ionized calcium levels from 1.25 +/- 0.04 to 1.54 +/- 0.07 mmol/l at 30 min (p less than 0.05). Concomitantly, serum levels of intact PTH declined from 2.1 +/- 0.9 to 0.2 +/- 0.3 mmol/l (p less than 0.05). In contrast, serum osteocalcin levels did not change. Further, during calcium infusion, serum levels of 1,25-(OH)2 D3 decreased from 81 +/- 17 to 75 +/- 15 pmol/l (p less than 0.05) whereas serum levels of 25-(OH) D3 did not change. The results therefore suggest that calcium per se does not influence osteocalcin secretion.

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author
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organization
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type
Contribution to journal
publication status
published
subject
keywords
Calcifediol, Calcitriol, Calcium, Female, Humans, Kinetics, Middle Aged, Osteocalcin, Parathyroid Hormone, Journal Article, Research Support, Non-U.S. Gov't
in
Hormone Research
volume
37
issue
1-2
pages
4 pages
publisher
Karger
external identifiers
  • pmid:1398473
  • scopus:0026753440
ISSN
0301-0163
DOI
10.1159/000182277
language
English
LU publication?
yes
id
ad37d2bb-6034-4201-95a6-9b3d20bf95c8
date added to LUP
2017-05-10 13:45:34
date last changed
2024-01-13 20:34:52
@article{ad37d2bb-6034-4201-95a6-9b3d20bf95c8,
  abstract     = {{<p>Since osteocalcin has been suggested to play a role in calcium homeostasis, we investigated its serum levels in 6 healthy subjects during a rapid calcium infusion. Serum levels of intact parathyroid hormone (PTH), 25-hydroxyvitamin D [25-(OH) D3] and 1,25-dihydroxyvitamin D [1,25-(OH)2 D3] were also determined. The calcium infusion increased plasma-ionized calcium levels from 1.25 +/- 0.04 to 1.54 +/- 0.07 mmol/l at 30 min (p less than 0.05). Concomitantly, serum levels of intact PTH declined from 2.1 +/- 0.9 to 0.2 +/- 0.3 mmol/l (p less than 0.05). In contrast, serum osteocalcin levels did not change. Further, during calcium infusion, serum levels of 1,25-(OH)2 D3 decreased from 81 +/- 17 to 75 +/- 15 pmol/l (p less than 0.05) whereas serum levels of 25-(OH) D3 did not change. The results therefore suggest that calcium per se does not influence osteocalcin secretion.</p>}},
  author       = {{Bergenfelz, A and Ahrén, B}},
  issn         = {{0301-0163}},
  keywords     = {{Calcifediol; Calcitriol; Calcium; Female; Humans; Kinetics; Middle Aged; Osteocalcin; Parathyroid Hormone; Journal Article; Research Support, Non-U.S. Gov't}},
  language     = {{eng}},
  number       = {{1-2}},
  pages        = {{29--32}},
  publisher    = {{Karger}},
  series       = {{Hormone Research}},
  title        = {{Serum osteocalcin levels do not change during rapidly induced hypercalcemia in healthy subjects}},
  url          = {{http://dx.doi.org/10.1159/000182277}},
  doi          = {{10.1159/000182277}},
  volume       = {{37}},
  year         = {{1992}},
}